Use After Free in Arm Bifrost_gpu_kernel_driver
CVE-2023-33200
A local non-privileged user can make improper GPU processing operations to exploit a software race condition. If the system’s memory is carefully prepared by the user, then this in turn could give them access to already freed memory.
Vulnerability class: Use-After-Free
EPSS: 0.003 (20.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Arm Bifrost_gpu_kernel_driver
- Arm Mali_gpu_kernel_driver
- Arm Valhall_gpu_kernel_driver
- Arm Ltd 5th Gen Gpu Architecture Kernel Driver — versions r41p0
- Arm Ltd Bifrost Gpu Kernel Driver — versions r17p0
- Arm Ltd Valhall Gpu Kernel Driver — versions r19p0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- arm-security@arm.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-33200?
- CVE-2023-33200 is a medium-severity vulnerability in Arm Bifrost_gpu_kernel_driver, classified under Use After Free. CVSS score: 4.7/10. Published 2023-10-03.
- How severe is CVE-2023-33200?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2023-33200 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.